Knee orthosis



FIG. 1 is a front right perspective view of a knee orthosis showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines of shorter length shown in the drawings illustrate portions of the knee orthosis that form no part of the claimed design. The broken lines of longer length define the boundaries of the claimed design. The interior structure of the knee orthosis forms no part of the claimed design. 

CLAIM The ornamental design for a knee orthosis, as shown and described. 